#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <map>
std::map<long long, long long> aP;
std::map<long long, long long> bP;

long long a,aZ,a_step;
long long b,bZ,b_step;
long long final;

void magic()
{
aZ=a;
bZ=b;
final=aZ;

if(a!=b)
while(true)
{
	if(a!=1)
	{
		if(a%2==0)
		{
		a=a/2;
		}	
		else
		{
		a=3*a+1;
		}
		a_step++;
	}
	
	if(b!=1)
		{
		if(b%2==0)
		{
		b=b/2;
		}	
		else
		{
		b=3*b+1;
		}
		b_step++;
	}
	
	std::map<long long,long long>::iterator it;	
	

	aP.insert(std::make_pair(a,a_step));

	bP.insert(std::make_pair(b,b_step));
	
	//printf("mame %d %d\n",(int)a,(int)b);

	if(a==bZ)
	{b_step=0; final=a; break;}
	
	if(b==aZ)
	{a_step=0; final=b; break;}
	
	it=bP.find(a);
	if(it!=bP.end())
	{final=a; b_step=it->second; break;}
	
	it=aP.find(b);
	if(it!=aP.end())
	{final=b; a_step=it->second; break;}
	
}

printf("%lld needs %lld steps, %lld needs %lld steps, they meet at %lld\n",aZ,a_step,bZ,b_step,final);
}

int main()
{


while(true)
{

aP.clear();
bP.clear();

b=bZ=b_step=a=aZ=a_step=final=0;


scanf("%lld%lld",&a,&b);


if(a==0 && b==0)
break;
else
magic();

}


return 0;
}